Manuscripts about Feng Shui.
The two volumes of "Geography Ou Lu", namely "Geography Ou Zhi" and "Geography Ou Zhi", discuss Li Qi and Luantou Hou. This book combines form and theory, and teaches earnestly, as if a teacher is beside you. This priceless work of the Tianxing Sect was hand-copied by Cheng Zongliang, a direct disciple of Zhang Jiuyi.